Active Transport Quiz

What is the opposite of diffusion?

• Osmosis

• Active transport

• Facilitated diffusion

• Passive transport

What is required for active transport to occur?

• Carrier protein

• ATP

• Facilitated diffusion

• Osmosis

What is the most common source of energy for active transport?

• Carrier protein

• ATP

• Facilitated diffusion

• Osmosis

What is the role of a carrier protein in active transport?

• To move molecules from high concentration to low concentration

• To move molecules from low concentration to high concentration

• To convert ATP into ADP

• To facilitate diffusion

What are the proteins used in active transport often called?

• Pumps

• Carriers

• Channels

• Receptors

Which type of cells in your body use protein pumps for active transport?

• Muscle cells

• Blood cells

• Nerve cells

• Skin cells

What is the sodium-potassium pump an example of?

• Facilitated diffusion

• Passive transport

• Osmosis

• Active transport

What ions does the sodium-potassium pump move to where they are already highly concentrated?

• Sodium (Na+) ions

• Potassium (K+) ions

• Chloride (Cl-) ions

• Calcium (Ca2+) ions

What happens to the sodium and potassium ions after they are moved by the pump?

• They remain in their new positions

• They flow down their concentration gradients

• They are converted into ATP

• They are eliminated from the cell

What is required for the protein pump to change shape during active transport?

• Carrier protein

• ATP

• Facilitated diffusion

• Osmosis